JP7318403B2 - mobile device - Google Patents

Description

The present invention relates to mobile devices.

Mobile devices that are small, lightweight, portable, and have driving elements have been proposed in the past. In recent years, as one of the batteries used in such mobile devices, an all-solid-state battery with a solid electrolyte has been developed. For example, Patent Literature 1 discloses, as an example of a mobile device, a portable liquid ejection device equipped with a lithium-ion battery having a liquid electrolyte as a battery. Further, Patent Document 2 discloses an example of an all-solid-state battery that can be used in the mobile device described in Patent Document 1 and the like.

JP 2016-175374 A JP-A-2-223158

Since the all-solid-state battery described in Patent Document 2 has a fixed electrolyte, it has excellent safety compared to conventional lithium-ion batteries and other electrolyte batteries in which the electrolyte is a liquid. has a wide degree of freedom in Therefore, an all-solid-state battery with a solid electrolyte has the advantage of being able to obtain the optimum shape and characteristics according to the intended use. On the other hand, the liquid electrolyte battery installed in the mobile device described in Patent Document 1 is used in a wide range of applications such as smartphones, tablets, and portable audio devices, in addition to the mobile printer described in Patent Document 1. Used for mobile devices. Therefore, the liquid electrolyte battery has the advantage of excellent versatility in terms of cost and delivery. Thus, an all-solid-state battery with a solid electrolyte and an electrolyte battery with a liquid electrolyte have different advantages. However, the mobile device described in Patent Document 1 can only be equipped with an all-solid-state battery or an electrolytic solution battery, which may impair user convenience and leaves room for improvement.

One aspect of the mobile device according to the present invention is
a drive circuit driven based on the power output from the battery;
a first connecting portion that electrically connects a first battery, which is an electrolyte battery with a liquid electrolyte as the battery, and the drive circuit;
a second connection portion electrically connecting a second battery, which is an all-solid-state battery with a solid electrolyte as the battery, and the drive circuit;
Prepare.

In one aspect of the mobile device,
a first accommodation portion in which the first battery is accommodated;
a second housing portion housing the second battery;
may be provided.

In one aspect of the mobile device,
When the first battery is housed in the first housing and the second battery is housed in the second housing, at least one of the first battery and the second battery is connected to the drive circuit. may not be electrically connected to

In one aspect of the mobile device,
A notification unit may be provided for notifying whether the battery electrically connected to the drive circuit is the first battery or the second battery.

In one aspect of the mobile device,
A control circuit that controls driving of the drive circuit,
The control circuit is
controlling the drive circuit to a first drive state when the drive circuit is driven based on the power output from the first battery;
When the drive circuit is driven based on the power output from the second battery, the drive circuit may be controlled to a second drive state different from the first drive state.

In one aspect of the mobile device,
The first connection portion and the second connection portion may not be electrically connected.

In one aspect of the mobile device,
a first detection circuit that detects that the first battery is connected to the first connection portion;
a second detection circuit that detects that the second battery is connected to the second connection portion;
a selection circuit that selects a battery to be used for driving the drive circuit based on the detection result of the first detection circuit and the detection result of the second detection circuit;
may be provided.

In one aspect of the mobile device,
Equipped with a third detection circuit that detects that it is connected to an external power supply,
The selection circuit may select a battery to be used for driving the drive circuit based on a detection result of the first detection circuit, a detection result of the second detection circuit, and a detection result of the third detection circuit. .

In one aspect of the mobile device,
The selection circuit detects that the first battery is connected to the first connection portion by the first detection circuit, and connects the second battery to the second connection portion by the second detection circuit. The second battery may be selected as the battery used to drive the drive circuit when it is detected that the second battery has been activated.

It is a figure at the time of seeing a mobile device from +Y direction. FIG. 10 is a diagram of the mobile device viewed from the +Y direction when the cover of the mobile device is open; FIG. 4 is a diagram of the mobile device viewed from the −Y direction; 3 is a diagram showing a cross-sectional structure of the mobile device when the mobile device is cut along line Ee shown in FIG. 2; FIG. It is a figure which shows the functional structure of a mobile device. FIG. 4 is a diagram showing an example of a power supply switching unit; It is a figure at the time of seeing the mobile device in 2nd Embodiment from a front side. It is a figure at the time of seeing a mobile device in a 2nd embodiment from the back side. FIG. 8 is a diagram showing the cross-sectional structure of the mobile device in the second embodiment when the mobile device is cut along line E--e in FIG. 7; FIG. 10 is a diagram showing the functional configuration of a mobile device according to the second embodiment; FIG. 4 is a diagram showing an example of a power supply selection signal Sn output by the control circuit 10; FIG.

Preferred embodiments of the present invention will be described below with reference to the drawings. The drawings used are for convenience of explanation. It should be noted that the embodiments described below do not unduly limit the scope of the invention described in the claims. Moreover, not all the configurations described below are essential constituent elements of the present invention.

1. First Embodiment As a mobile device of the first embodiment, a liquid ejecting apparatus that ejects ink as a liquid to form an image on a medium, and the liquid can be driven based on power supplied from a battery. A mobile type inkjet printer, which is an ejection device, will be described as an example. In the following description, mobile type inkjet printers are simply referred to as mobile printers. In addition, as media on which images are formed by mobile printers, for example, plain paper used for printing images and the like, glossy paper used for printing photos and the like, and various types of recording paper including postcards are used.

1.1 Appearance of Mobile Printer First, the appearance configuration of the mobile device M will be described with reference to FIGS. 1 to 3. FIG. In the following description, X-axis, Y-axis, and Z-axis, which are orthogonal to each other, are used. In some cases, the starting point side of the X axis is called the "-X direction", and the opposite side to the starting point side is called the "+X direction". It may be called "direction". Similarly, the starting point side on the Y axis may be referred to as the "-Y direction" and the opposite side to the starting point side as the "+Y direction". may be referred to as "axial direction". Similarly, the origin side of the Z axis may be referred to as the "-Z direction" and the opposite side to the origin side as the "+Z direction". may be referred to as "axial direction". In the following description, the X-axis, Y-axis, and Z-axis are assumed to be orthogonal to each other. It is not something that can be done.

FIG. 1 is a diagram of the mobile device M viewed from the +Y direction. FIG. 2 is a diagram of the mobile device M viewed from the +Y direction when the cover 110 of the mobile device M is open. FIG. 3 is a diagram of the mobile device M viewed from the -Y direction.

As shown in FIG. 1, a mobile printer 1 as a mobile device M has a housing 100 and a cover 110 provided on the top of the housing so as to be openable and closable.

As shown in FIGS. 2 and 3 , housing 100 includes walls 101 , 102 , 103 , 104 , 105 and 106 . The wall portion 101 is positioned in the +Y direction of the housing 100 . The wall portion 102 is positioned in the +X direction of the housing 100 . The wall portion 103 is positioned in the +Z direction of the housing 100 . The wall portion 104 is positioned in the −Y direction of the housing 100 . The wall portion 105 is positioned in the −X direction of the housing 100 . The wall portion 106 is positioned in the −Z direction of the housing 100 . That is, the wall portion 101 and the wall portion 104 are positioned to face each other in the direction along the Y-axis direction, the wall portion 102 and the wall portion 105 are positioned to face each other in the direction along the X-axis direction, The wall portion 103 and the wall portion 106 are positioned to face each other in the direction along the Z-axis direction. That is, the housing 100 of the mobile printer 1 has a substantially rectangular parallelepiped shape surrounded on six sides by walls 101 to 106 and having a space inside.

A display panel 140 and operation switches 141 are provided on the wall portion 103 of the housing 100 . Information based on the operation and status of the mobile printer 1 is displayed on the display panel 140 . Note that the display panel 140 may be configured by a display panel such as a liquid crystal panel, an electronic paper panel, or an organic electroluminescence panel. The operation switch 141 receives a user's operation. Thereby, the mobile device M executes processing based on the operation of the operation switch 141 . Note that the display panel 140 and the operation switches 141 may be a touch panel in which the display panel 140 and the operation switches 141 are integrated.

A supply port 131 for supplying a medium to the inside of the housing 100 is provided in the −Y direction of the wall portion 103 . Further, the wall portion 101 is provided with a discharge port 132 for discharging the medium supplied inside the housing 100 . A medium supplied from the supply port 131 to the inside of the housing 100 is discharged from the discharge port 132 after being conveyed inside the housing 100 . Further, when the medium is conveyed inside the housing 100, the liquid is ejected onto the medium. Then, as the ejected liquid adheres to the medium discharged from the outlet 132, an image based on the adhered liquid is formed on the medium.

Further, as shown in FIG. 3, housing portions 200a and 200b for housing a battery 20, which will be described later, are provided inside the housing 100. As shown in FIG. The housing portion 200a is provided with a connecting portion 210a electrically connected to the battery 20 housed in the housing portion 200a, and the housing portion 200b is electrically connected to the battery 20 housed in the housing portion 200b. A connecting portion 210b is provided. When the battery 20 is housed in the housing portion 200a, the battery 20 and the connection portion 210a are electrically connected, and when the battery 20 is housed in the housing portion 200b, the battery 20 and the connection portion 210b are electrically connected. connect to. As a result, power output from the battery 20 is supplied to the mobile printer 1 . That is, the mobile printer 1 is driven based on power supplied from the battery 20 . Here, the mobile printer 1 according to the present embodiment is housed in the housing portion 200a, and the first battery 20a, which is an electrolytic solution battery with a liquid electrolyte, as the battery 20, and the housing portion 200b, where the battery 20 is a solid electrolyte. It is driven by power supplied from either the second battery 20b, which is an all-solid-state battery. Here, the accommodating portion 200a is an example of the first accommodating portion, and the accommodating portion 200b is an example of the second accommodating portion. A connection portion 210a electrically connected to the first battery 20a attached to the housing portion 200a is an example of a first connection portion, and is a connection portion electrically connected to the second battery 20b attached to the housing portion 200b. The portion 210b is an example of a second connection portion.

Further, as shown in FIG. 4, the wall portion 105 has a DC jack 108 into which a DC (Direct Current) plug of an AC (Alternating Current) adapter (not shown) can be inserted, and a USB (Universal USB) connector into which a USB cable can be attached. Serial Bus) port 107 is provided. The mobile printer 1 is communicably connected to an external device such as a personal computer or a digital camera via a USB cable connected to the USB port 107 . As a result, the image information Img is supplied to the mobile printer 1 from the external device. Also, the voltage Vd is supplied to the mobile printer 1 from an external power supply via the DC jack 108 . That is, the mobile printer 1 can also operate using the voltage Vd input from the DC jack 108 as the power supply voltage.

1.2 Internal Configuration of Housing in Mobile Printer Next, the internal configuration of the housing 100 of the mobile printer 1 will be described. FIG. 4 is a diagram showing a cross-sectional structure of the mobile device M when the mobile device M is cut along line Ee shown in FIG.

As shown in FIG. 4, inside the housing 100 of the mobile printer 1, the head unit 1
2 and a transport unit 13 are provided.

The head unit 12 includes an ejection head 120 , a carriage 121 and a liquid reservoir 123 . The carriage 121 is supported in the -Y direction so as to be able to reciprocate on a carriage guide shaft 122 extending in the X-axis direction. The carriage 121 reciprocates in the X-axis direction while being supported by the carriage guide shaft 122 . An ejection head 120 is attached to the carriage 121 in the -Z direction. In addition, in the +Z direction of the carriage 121, a liquid storage section 123 that stores the liquid ejected from the ejection head 120 is mounted. The liquid reservoir 123 and the ejection head 120 are connected by a liquid channel (not shown). That is, the liquid stored in the liquid storage section 123 is supplied to the ejection head 120 via a liquid channel (not shown). The ejection head 120 then ejects the supplied liquid.

The transport unit 13 includes a medium support section 133 , a transport roller pair 134 , a drive motor 135 , a platen 136 , a drive motor 137 and a transport roller pair 138 . The medium support section 133 and the platen 136 form a transport path HK for transporting the medium supplied from the supply port 131 to the discharge port 132 . The medium supplied to the supply port 131 is transported from the medium support section 133 to the platen 136 as the transport roller pair 134 is driven. The platen 136 is positioned facing the ejection head 120 attached to the carriage 121 in the Z-axis direction. When the medium is supported by the platen 136, the liquid is ejected from the ejection head 120, and the liquid lands on the medium to form an image. After that, the medium is transported to the discharge port 132 as the transport roller pair 138 is driven.

Here, the transport roller pair 134 and the transport roller pair 138 for transporting the medium are controlled by driving the drive motor 137 . Further, the reciprocating movement of the carriage 121 is controlled by driving the drive motor 135 . That is, by controlling the drive motors 135 and 137, the transport of the medium and the movement of the carriage 121 to which the ejection head 120 is attached are controlled. As a result, a predetermined amount of liquid can be ejected to a desired position on the medium, and a desired image is formed on the medium.

A circuit board 112 on which a plurality of circuits including a drive unit Drv for outputting control signals for operating the head unit 12 and the transport unit 13 is mounted is provided in the −Y direction of the transport path HK. The circuit board 112 is attached to the inner surface 104 a of the wall portion 104 of the housing 100 . In other words, at least part of the drive unit Drv is in contact with the housing 100 . Since the drive unit Drv outputs control signals for operating the head unit 12 and the transport unit 13, it is likely to consume more power than the head unit 12 and the transport unit 13. As a result, the heat generated by the drive unit Drv may be greater than the heat generated by the head unit 12 and the transport unit 13 . As shown in FIG. 4 , by bringing at least part of the drive unit Drv into contact with the housing 100 , heat generated in the drive unit Drv is radiated through the housing 100 . As a result, it is possible to reduce the temperature rise of the drive unit Drv.

Also, in the -Z direction of the transport path HK, on the inner surface 106a of the wall portion 106 of the housing 100, accommodating portions 200a and 200b are provided along the X-axis direction. At the contact portion where the housing portions 200a and 200b contact the wall portion 106, each of the housing portions 200a and 200b may be provided with an openable/closable lid portion (not shown) for housing the battery 20 therein.

1.3 Functional Configuration of Mobile Printer Here, the functional configuration of the mobile printer 1 will be described with reference to FIG. FIG. 5 is a diagram showing the functional configuration of the mobile device M. As shown in FIG.

The mobile printer 1 includes one or more control circuits 10, an ejection signal output circuit 11, a head unit 12, a transport unit 13, a display unit 14, a power supply switching unit 15, a first battery control unit 16a, and a second battery control unit. 16b.

The control circuit 10 controls the operation of the mobile printer 1 by generating and outputting various control signals based on image information Img input from the outside via the USB port 107 . The control circuit 10 includes, for example, a CPU (Central Processing Unit). Note that the control circuit 10 includes at least a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), and an FPGA (Field Programmable Gate Array) instead of or in addition to the CPU. You may be comprised including either.

The control circuit 10 generates a digital signal waveform defining signal dCOM for defining the waveform of the ejection signal COM output from the ejection signal output circuit 11 and outputs it to the ejection signal output circuit 11 . The ejection signal output circuit 11 converts the digital waveform defining signal dCOM into an analog signal, and then class D-amplifies the converted analog signal to generate the ejection signal COM. That is, the waveform defining signal dCOM is a digital signal that defines the waveform of the ejection signal COM. A signal COM is generated and output to the head unit 12 . Note that the waveform defining signal dCOM may be any signal that can define the waveform of the ejection signal COM, and may be an analog signal. Further, the ejection signal output circuit 11 only needs to be able to amplify the waveform defined by the waveform defining signal dCOM to a predetermined voltage value, and may be composed of a class A amplifier circuit, a class B amplifier circuit, a class AB amplifier circuit, or the like.

The control circuit 10 also generates an ejection control signal SI for controlling liquid ejection from a liquid ejection portion (not shown) of an ejection head 120 included in the head unit 12 and outputs the signal to the head unit 12 . The liquid ejection section of the ejection head 120 includes nozzles and driving elements for ejecting liquid from the nozzles. The driving element is driven by being supplied with the ejection signal COM. Then, an amount of liquid corresponding to the driving of the drive element is ejected from the nozzle. Further, the ejection head 120 controls the supply of the ejection signal COM to the drive element based on the input ejection control signal SI. As a result, a predetermined amount of liquid is ejected at a predetermined timing from the nozzles included in the liquid ejection section of the ejection head 120 .

The control circuit 10 also generates a transport control signal Sk for controlling the transport unit 13 and outputs it to the transport unit 13 . The transport unit 13 transports the medium in a predetermined transport direction. By synchronizing the timing at which the transport unit 13 transports the medium based on the transport control signal Sk and the timing at which the ejection head 120 ejects the liquid based on the ejection control signal SI, the desired position of the medium can be achieved. , the desired amount of liquid is dispensed. Therefore, a desired image is formed on the medium.

The control circuit 10 also generates a display control signal Sh for controlling display of various information on the display unit 14 and outputs the signal to the display unit 14 . The display unit 14 displays various information such as operation information and status information of the mobile device M according to the display control signal Sh. Accordingly, information including the operation and status of the mobile device M is notified to the user. The display unit 14 includes the above-described display panel 140, operation switches 141, a touch panel in which the display panel 140 and the operation switches 141 are integrated, and the like.

The control circuit 10 also generates a power supply selection signal Sn for controlling switching of the supply source of the power supply voltage for driving the mobile printer 1 and outputs it to the power supply switching unit 15 .
The power supply switching unit 15 receives voltage Vba supplied from the first battery 20a via the connection section 210a, voltage Vbb supplied from the second battery 20b via the connection section 210b, A voltage Vd supplied via a DC jack 108 from the provided AC adapter is input. The power supply switching unit 15 selects one of the voltages Vba, Vbb, and Vd based on the power supply selection signal Sn, and supplies it to each part of the mobile printer 1 as the voltage Vdd, which is the power supply voltage for driving the mobile printer 1 . Further, the power supply switching unit 15 generates a voltage Vc for charging the first battery 20a and the second battery 20b based on the voltage Vd supplied from the AC adapter, and controls the first battery control unit 16a and the second battery 20b. 2 Output to the battery control unit 16b. Although FIG. 5 shows the first battery 20a and the second battery 20b to be provided outside the mobile printer 1, the battery 20 is actually detachably attached to the storage section 200 inside the mobile printer 1. is provided.

An example of the configuration of the power supply switching unit 15 will now be described with reference to FIG. FIG. 6 is a diagram showing an example of the power supply switching unit 15. As shown in FIG. The power supply switching unit 15 has a decoder 151 , a voltage value adjustment circuit 152 , a charging voltage supply circuit 153 , and switches 154 , 155 and 156 .

A power selection signal Sn is input to the decoder 151 . The decoder 151 outputs selection signals Sn1, Sn2, and Sn3 based on the input power supply selection signal Sn. For example, the power source selection signal Sn includes 2-bit selection data [SnH, SnL], and when the selection data [SnH, SnL] is [0, 0], the decoder 151 selects Assume that the logic levels are L level, L level, L level. When the selection data [SnH, SnL] is [0, 1], the decoder 151 sets the logic levels of the selection signals Sn1, Sn2, Sn3 to H level, L level, and L level. When the selection data [SnH, SnL] is [1, 0], the decoder 151 sets the logic levels of the selection signals Sn1, Sn2, Sn3 to L level, H level, and L level. When the selection data [SnH, SnL] is [1, 1], the decoder 151 sets the logic levels of the selection signals Sn1, Sn2, Sn3 to L level, L level, and H level.

Selection signals Sn1, Sn2, and Sn3 are input to respective control terminals of switches 154, 155, and 156, respectively. A voltage Vd is input to the input end of the switch 154 . A voltage Vba is input to the input terminal of the switch 155 . A voltage Vbb is input to the input terminal of the switch 156 . Also, the output terminals of the switches 154 , 155 , 156 are electrically connected to the voltage value adjustment circuit 152 after being connected in common. Each of the switches 154, 155 and 156 conducts between the input terminal and the output terminal when the logic level of the signal input to the control terminal is H level, and the logic level of the signal input to the control terminal is L. In the case of level, the input end and the output end are made non-conductive.

The voltage value adjustment circuit 152 increases or decreases the input voltage to generate and output a voltage Vdd having a predetermined voltage value.

Specifically, when the 2-bit selection data [SnH, SnL] included in the power supply selection signal Sn input to the power supply switching unit 15 is [0, 0], the switches 154, 155, and 156 are Continuity controlled. Therefore, no voltage is input to the voltage value adjustment circuit 152, and as a result, no voltage Vdd is output. When the 2-bit selection data [SnH, SnL] included in the input power supply selection signal Sn is [0, 1], switch 154 is controlled to be conductive, and switches 155 and 156 are both non-conductive. controlled. Therefore, the voltage Vd is input to the voltage value adjustment circuit 152 . As a result, the voltage value adjusting circuit 152 outputs the voltage Vdd based on the voltage Vd. When the 2-bit selection data [SnH, SnL] included in the input power supply selection signal Sn is [1, 0], switch 155 is controlled to be conductive, and switches 154 and 156 are both non-conductive. controlled. Therefore, the voltage Vba is input to the voltage value adjustment circuit 152 . As a result, the voltage value adjusting circuit 152 outputs the voltage Vdd based on the voltage Vba. When the 2-bit selection data [SnH, SnL] included in the input power supply selection signal Sn is [1, 1], switch 156 is controlled to be conductive, and switches 154 and 155 are both non-conductive. controlled. Therefore, the voltage Vbb is input to the voltage value adjustment circuit 152 . As a result, the voltage value adjustment circuit 152 outputs the voltage Vdd based on the voltage Vbb.

As described above, the power supply switching unit 15 selects any of the first battery 20a that outputs the voltage Vba, the second battery 20b that outputs the voltage Vbb, or the AC adapter that outputs the voltage Vd based on the power source selection signal Sn. The heel is electrically connected to each part of the mobile printer 1 including the head unit 12 , the transport unit 13 and the display unit 14 . In other words, when the first battery 20a is housed in the housing portion 200a and the second battery 20b is housed in the housing portion 200b, at least one of the first battery 20a and the second battery 20b is connected to the head unit 12. , the transport unit 13, and the display unit 14 of the mobile printer 1, and is electrically connected to the first battery 20a and the second battery 20b. It is not electrically connected to the connecting portion 210b.

As described above, the connection portion 210a electrically connected to the first battery 20a and the connection portion 210b electrically connected to the second battery 20b are not electrically connected, and the first battery 20a and the second battery At least one of the two batteries 20b is not electrically connected to each part of the mobile printer 1 including the head unit 12, the transport unit 13, and the display unit 14, so that the batteries that do not contribute to the driving of the mobile printer 1 are unintentionally By supplying the voltage value signal to the mobile printer 1, the possibility of the mobile printer 1 malfunctioning is reduced.

The power supply switching unit 15 also has a charging voltage supply circuit 153 that generates the voltage Vc. A voltage Vd is input to the charging voltage supply circuit 153 . Based on the voltage Vd, the charging voltage supply circuit 153 generates and outputs a voltage Vc with a constant current value or a voltage Vc with a constant voltage value for charging the first battery 20a and the second battery 20b. .

Returning to FIG. 5, the mobile printer 1 has a state detection circuit 80 that detects the state of the external power supply electrically connected to the DC jack 108, generates a state signal S0 indicating the detection result, and outputs the state signal S0 to the control circuit 10. .

Specifically, state detection circuit 80 detects the voltage value of voltage Vd output from an external power supply electrically connected via DC jack 108 . Thereby, the state detection circuit 80 detects that the external power supply is connected to the DC jack 108 . The state detection circuit 80 then generates a state signal S0 indicating the state of the external power supply according to the detection result, and outputs it to the control circuit 10 . As an example, when the mobile printer 1 is electrically connected to an external power supply via the DC jack 108, the state detection circuit 80 outputs "1" as the state signal S0 to the control circuit 10, and the DC jack 108 is turned off. When the mobile printer 1 is not electrically connected to the external power supply via the mobile printer 1, it outputs "0" to the control circuit 10 as the state signal S0. The control circuit 10 generates a power supply selection signal Sn based on the input state signal S0 and outputs it to the power supply switching unit 15 . This allows the power supply switching unit 15 to select the voltage Vd output from the external power supply. Then, the power supply switching unit 15 selects the voltage Vd supplied from the external power supply based on the power supply selection signal Sn, and supplies it to each part of the mobile printer 1 as the voltage Vdd. It is driven by power corresponding to voltage Vd supplied from an external power supply via jack 108 .

The control circuit 10 generates a control signal S1a for controlling the first battery control unit 16a and outputs it to the first battery control unit 16a. A state signal S2a is also input to the control circuit 10 from the first battery control unit 16a. The first battery control unit 16a includes a charge control circuit 18a that controls charging of the first battery 20a, and a state detection circuit 19a that detects the state of the first battery 20a and generates and outputs a state signal S2a indicating the detection result. have

Specifically, the state detection circuit 19a detects, for example, the voltage value of the voltage Vba output from the first battery 20a as the state of the first battery 20a. Thereby, the state detection circuit 19a detects that the first battery 20a is connected to the connection portion 210a. Then, the state detection circuit 19a generates a state signal S2a indicating the state of the first battery 20a according to the detection result, and outputs the state signal S2a to the control circuit 10. FIG. As an example, the state detection circuit 19a outputs "1" as the state signal S2a to the control circuit 10 when the first battery 20a is connected to the connection portion 210a, and the first battery 20a is connected to the connection portion 210a. If not, it outputs "0" to the control circuit 10 as the state signal S2a. The control circuit 10 generates a power supply selection signal Sn based on the input state signal S2a and outputs it to the power supply switching unit 15 . This enables the power supply switching unit 15 to select the voltage Vba output from the first battery 20a. Then, the power supply switching unit 15 selects the voltage Vba supplied from the first battery 20a based on the power supply selection signal Sn, and supplies it as the voltage Vdd to each part of the mobile printer 1. , is driven by power according to the voltage Vba supplied from the first battery 20a.

Further, the state detection circuit 19a detects, for example, the voltage value of the voltage Vba output from the first battery 20a and the temperature of the first battery 20a as the state of the first battery 20a, and detects the temperature of the first battery 20a. A state signal S2a indicating the state of one battery 20a is generated and output to the control circuit 10. FIG. The control circuit 10 determines whether or not to charge the first battery 20a based on the detected voltage value of the voltage Vba and the temperature of the first battery 20a, and generates a control signal S1a indicating the determination result. and output to the charging control circuit 18a. The charging control circuit 18a switches whether to output the voltage Vc input from the power supply switching unit 15 as the voltage Vca for charging the first battery 20a based on the control signal S1a.

The control circuit 10 also generates a control signal S1b for controlling the second battery control unit 16b and outputs it to the second battery control unit 16b. A state signal S2b is also input to the control circuit 10 from the second battery control unit 16b. The second battery control unit 16b includes a charge control circuit 18b that controls charging of the second battery 20b, and a state detection circuit 19b that detects the state of the second battery 20b and generates and outputs a state signal S2b indicating the detection result. have

Specifically, the state detection circuit 19b detects, for example, the voltage value of the voltage Vbb output from the second battery 20b as the state of the second battery 20b. Thereby, the state detection circuit 19b detects that the second battery 20b is connected to the connection portion 210b. Then, the state detection circuit 19b generates a state signal S2b indicating the state of the second battery 20b according to the detection result, and outputs the state signal S2b to the control circuit 10. FIG. As an example, the state detection circuit 19b outputs “1” as the state signal S2b to the control circuit 10 when the second battery 20b is connected to the connection portion 210b, and the second battery 20b is connected to the connection portion 210b. If not, it outputs "0" to the control circuit 10 as the state signal S2b. The control circuit 10 generates a power supply selection signal Sn based on the input state signal S2b and outputs it to the power supply switching unit 15 . This allows the power supply switching unit 15 to select the voltage Vbb output from the second battery 20b. Then, the power supply switching unit 15 selects the voltage Vbb supplied from the second battery 20b based on the power source selection signal Sn, and supplies it as the voltage Vdd to each part of the mobile printer 1. , is driven by power according to the voltage Vbb supplied from the second battery 20b.

Further, the state detection circuit 19b detects, for example, the voltage value of the voltage Vbb output from the second battery 20b and the temperature of the second battery 20b as the state of the second battery 20b, A state signal S2b indicating the state of the second battery 20b is generated and output to the control circuit 10. FIG. The control circuit 10 determines whether or not to charge the second battery 20b from the detected voltage value of the voltage Vbb and the temperature of the second battery 20b, and generates a control signal S1b indicating the determination result. and output to the charging control circuit 18b. The charging control circuit 18b switches whether or not to output the voltage Vc input from the power supply switching unit 15 as the voltage Vcb for charging the second battery 20b based on the control signal S1b.

Further, the control circuit 10 controls the first battery accommodated in each of the accommodation units 200a and 200b based on the state signal S2a output from the state detection circuit 19a and the state signal S2b output from the state detection circuit 19b. 20a and the second battery 20b may be acquired and the acquired information may be displayed on the display unit 14. FIG. Further, the control circuit 10 determines whether the power supplied to each part of the mobile printer 1 based on the power supply selection signal Sn is power corresponding to the voltage Vba output from the first battery 20a, or whether the power is supplied from the second battery 20b. The display unit 14 may display whether the power corresponds to the output voltage Vbb. In other words, the display unit 14 uses whether the battery electrically connected to the mobile printer 1 including the head unit 12, transport unit 13, etc. is the first battery 20a or the second battery 20b. inform the person. This display unit 14 is an example of a notification unit.

Here, of the mobile printer 1 that operates based on the power corresponding to the voltage output from the battery 20, the head unit 12 that is driven based on the ejection signal COM and the ejection control signal SI is an example of a drive circuit. The transport unit 13 driven based on the transport control signal Sk and the display unit 14 driven based on the display control signal Sh are another example of the drive circuit. By outputting a control signal for controlling each of the head unit 12, the transport unit 13, and the display unit 14, the control circuit 10 that controls driving of each of the head unit 12, the transport unit 13, and the display unit 14 It is an example of a control circuit.

In addition, the control circuit 10 determines whether the voltage Vdd for driving the mobile printer 1 selected by the power supply switching unit 15 is generated based on the voltage Vd output by the external power supply, or whether the voltage Vdd is output by the first battery 20a. The operation states of the head unit 12, the transport unit 13, and the display unit 14 are switched depending on whether the voltage is generated based on the voltage Vba or the voltage Vbb output by the second battery 20b. good too. In other words, the control circuit 10 determines the operating state of the mobile printer 1 when the mobile printer 1 is driven based on the power corresponding to the voltage Vd output from the external power source, and the operation state of the mobile printer 1 when the first battery 20a. and the operating state of the mobile printer 1 when driven based on the power corresponding to the voltage Vba output from the second battery 20b, and the mobile printer 1 being driven based on the power corresponding to the voltage Vbb output from the second battery 20b. The operating state of the mobile printer 1 may be controlled to be different from the operating state when the mobile printer 1 is on.

As described above, the control circuit 10 not only controls the driving of the mobile printer 1, but also has the function of selecting the power source used for driving the mobile printer 1 from the first battery 20a, the second battery 20b, and an external power source. have. In other words, the control circuit 10 is also an example of a selection circuit that selects the first battery 20a, the second battery 20b, and the external power source that are used to drive each part of the mobile printer 1. FIG. Note that the first battery 20a, the second battery 20b, and the external power supply may be selected by a circuit different from the control circuit 10. FIG.

FIG. 11 is a diagram showing an example of the power supply selection signal Sn output by the control circuit 10. As shown in FIG. As shown in FIG. 11, the control circuit 10 generates selection data [SnH, SnL] shown in FIG. 11 as the power supply selection signal Sn corresponding to the input state signal S0, state signal S2a, and state signal S2b. Output to the power supply switching unit 15 .

When the state signal S0 is "1", that is, when the mobile printer 1 is connected to the external power supply, the control circuit 10 sets the selection data [SnH, SnL] to [ 0, 1], and outputs it to the power supply switching unit 15 . Therefore, among the switches 154, 155 and 156, only the switch 154 is turned on. As a result, the voltage value adjusting circuit 152 outputs the voltage Vdd based on the voltage Vd. When the mobile printer 1 is connected to an external power supply, even if at least one of the first battery 20a and the second battery 20b is electrically connected to the corresponding connection parts 210a and 210b, power is supplied from the external power supply. By operating with power corresponding to the voltage supplied, the power supplied to the mobile printer 1 is stabilized, and as a result, the operation of the mobile printer 1 is stabilized. Furthermore, since the mobile printer 1 operates with electric power corresponding to the voltage supplied from the external power source, the possibility of depleting the charge stored in the first battery 20a and the second battery 20b is reduced. Therefore, the voltage Vd of the external power supply is used as the voltage Vdd for driving the mobile printer 1 .

When the state signal S0 is "0", the state signal S2a is "1", and the state signal S2b is "0", that is, when the mobile printer 1 is connected only to the first battery 20a, which is an electrolyte battery, the control circuit 10 generates a power supply selection signal Sn whose selection data [SnH, SnL] is [1, 0] and outputs it to the power supply switching unit 15 . Therefore, among the switches 154, 155 and 156, only the switch 155 is turned on. As a result, the voltage value adjusting circuit 152 outputs the voltage Vdd based on the voltage Vba. This is because only the voltage Vba of the first battery 20 a can be used as the voltage Vdd for driving the mobile printer 1 .

When the state signal S0 is "0", the state signal S2a is "0", and the state signal S2b is "1", that is, when the mobile printer 1 is connected only to the second battery 20b, which is an all-solid battery, the control circuit 10 generates a power supply selection signal Sn whose selection data [SnH, SnL] is [1, 1] and outputs it to the power supply switching unit 15 . Therefore, among the switches 154, 155 and 156, only the switch 156 is turned on. As a result, the voltage value adjustment circuit 152 outputs the voltage Vdd based on the voltage Vbb. This is because only the voltage Vbb of the second battery 20 b can be used as the voltage Vdd for driving the mobile printer 1 .

When the state signal S0 is "0", the state signal S2a is "1", and the state signal S2b is "1", that is, the mobile printer 1 is not connected to an external power supply, and the first battery 20a, which is an electrolyte battery, When connected to the second battery 20b, which is a solid battery, the control circuit 10 generates a power supply selection signal Sn whose selection data [SnH, SnL] is [1, 1], and the power supply switching unit 15 output to Therefore, among the switches 154, 155 and 156, only the switch 156 is turned on. As a result, the voltage value adjustment circuit 152 outputs the voltage Vdd based on the voltage Vbb. Comparing the deterioration of the electrolyte battery and the deterioration of the all-solid-state battery, the all-solid-state battery is less likely to deteriorate. Therefore, the voltage Vbb supplied from the second battery 20b is preferentially used as the voltage Vdd for driving the mobile printer 1 rather than the voltage Vba supplied from the first battery 20a.

When the state signal S0 is "0", the state signal S2a is "0", and the state signal S2b is "0", that is, the mobile printer 1 is connected to the external power supply, the first battery 20a, or the second battery 20b. If not, the control circuit 10 generates a power supply selection signal Sn with selection data [SnH, SnL] of [0, 0] and outputs it to the power supply switching unit 15 . Therefore, switches 154, 155, and 156 are all non-conductive, and voltage value adjustment circuit 152 does not output voltage Vdd.

As described above, the control circuit 10 detects the detection result of the state detection circuit 19a that detects that the first battery 20a is connected to the connection portion 210a, and detects that the second battery 20b is connected to the connection portion 210b. and the detection result of the state detection circuit 80 for detecting that the mobile device M is connected to the external power source, the power supplied to each part of the mobile printer 1 is determined. , the first battery 20a, the second battery 20b, or the external power supply. Here, the state detection circuit 19a is an example of a first detection circuit, the state detection circuit 19b is an example of a second detection circuit, and the state detection circuit 80 is an example of a third detection circuit. An example of a selection circuit is the control circuit 10 that selects which one of the first battery 20a, the second battery 20b, and the external power source should be supplied to each part of the controller 1 .

Here, as described above, the first battery 20a is an electrolyte battery with a liquid electrolyte, and the second battery 20b is an all-solid-state battery with a solid electrolyte. charge/discharge characteristics may differ. Since the charging/discharging characteristics of the first battery 20a and the second battery 20b are different, the first battery 20a and the second battery 20b will be charged according to the voltage Vba output by the first battery 20a. The charge consumption of the battery 20a differs from the charge consumption of the second battery 20b when power is supplied to drive the mobile printer 1 according to the voltage Vbb output by the second battery 20b.

Then, for the mobile printer 1, the first battery 20a and the second battery 20b, which consume a large amount of charge, are used, and the first battery 20a and the second battery 20b, which consume a small amount of charge, are used. If the same operation as a battery is executed, the mobile printer 1 driven by a battery that consumes a large amount of electric charge will need to be charged more frequently, and there is a risk that convenience as a portable mobile device M will be impaired. be.

Therefore, when the power for driving the mobile printer 1 is supplied from the first battery 20a or the second battery 20b, which consumes a large amount of charge, the ejection speed of the liquid ejected from the head unit 12 is reduced. , or the medium transport speed in the transport unit 13 and the movement speed of the carriage 121, the power consumption of the mobile printer 1 can be reduced. Reduce consumption. As a result, the frequency of charging the battery is reduced, and the possibility of impairing the convenience of the portable mobile device M is reduced.

Here, each of the mobile printer 1, the head unit 12, the transport unit 13, and the display unit 14 when power for driving the mobile printer 1 is supplied by the voltage Vba output by the first battery 20a. The operating state is an example of the first driving state, and the mobile printer 1, the head unit 12, and the transport unit when power for driving the mobile printer 1 is supplied by the voltage Vbb output from the second battery 20b. 13 and display unit 14 are examples of the second driving state.

For example, electrolyte batteries are easier to discharge than all-solid-state batteries, and may consume more charge. In this case, it is possible to reduce the power consumption in the first driving state in which the operation is performed by the first battery 20a compared to the second driving state in which the operation is performed by the second battery 20b. As a result, convenience can be maintained even when the first battery 20a, which is an electrolytic solution battery, is used. Specifically, in the first drive state, the driving power can be reduced by making the moving speed of the head unit 12 slower than in the second drive state or by making the light emission amount of the display unit 14 smaller. .

1.4 Actions and Effects The mobile printer 1 as the mobile device M configured as described above includes a connecting portion 210a electrically connected to the first battery 20a, which is an electrolytic solution battery with a liquid electrolyte, as the battery 20; As 20, a connection part 210b electrically connected to a second battery 20b, which is an all-solid-state battery with a solid electrolyte, is provided. The head unit 12, transport unit 13, and display unit 14 included in the mobile printer 1 are driven based on power corresponding to the voltage output from the selected battery 20. FIG. Therefore, in one mobile device M, it is possible to select and use two types of batteries, the second battery 20b, which is an all-solid-state battery, and the first battery 20a, which is an electrolytic solution battery, thereby improving convenience for the user. can do.

2. Second Embodiment As a mobile device of a second embodiment, a smart phone, which is a display device that displays various information on a display panel and can be operated by a battery, will be described as an example. In describing the mobile device of the second embodiment, the same configurations are denoted by the same reference numerals, and the description thereof will be omitted or simplified.

7 to 9 are diagrams for explaining the configuration of the smartphone 3 as the mobile device M. FIG. In the following description, X-axis, Y-axis, and Z-axis, which are orthogonal to each other, are used. In some cases, the starting point side of the X axis is called the "-X direction", and the opposite side to the starting point side is called the "+X direction". It may be called "direction". Similarly, the starting point side on the Y axis may be referred to as the "-Y direction" and the opposite side to the starting point side as the "+Y direction". may be referred to as "axial direction". Similarly, the origin side of the Z axis may be referred to as the "-Z direction" and the opposite side to the origin side as the "+Z direction". may be referred to as "axial direction". Although the X-axis, the Y-axis, and the Z-axis are described as being orthogonal to each other, the units included in the smartphone 3 as the mobile device M are not limited to being orthogonal to each other.

FIG. 7 is a front view of the mobile device M according to the second embodiment. FIG. 8 is a view of the mobile device M in the second embodiment when viewed from the back side. FIG. 9 is a diagram showing a cross-sectional structure of the mobile device M in the second embodiment when the mobile device M is cut along line E--e in FIG.

As shown in FIG. 7 , the smart phone 3 has a housing 300 and a display panel 310 . Further, as shown in FIG. 8, the smartphone 3 accommodates a storage section 400a that houses a first battery 20a that is an electrolyte battery with a liquid electrolyte, and a second battery 20b that is an all-solid battery with a solid electrolyte. a connecting portion 410a electrically connected to the first battery 20a accommodated in the accommodating portion 400a; and a connecting portion 410a electrically connected to the second battery 20b accommodated in the accommodating portion 400b. And prepare.

As shown in FIGS. 7 to 9, the housing 300 has walls 303, 304, and 306 and has a shape in which one surface is open. The wall portion 306 is positioned to face the open surface, which is one open surface of the housing 100 . The wall portion 303 is positioned in the +Y direction of the housing 100 . The wall portion 304 is positioned in the −Y direction of the housing 100 . Furthermore, although not shown in FIGS. 7 to 9, the housing 300 has walls facing each other in the X-axis direction. That is, the housing 300 has a substantially rectangular parallelepiped shape with one surface open.

A display panel 310 is provided on the opening surface of the housing 300 that faces the wall portion 306 in the direction along the Z-axis direction. The display panel 310 includes a display section 341 and a display section 3
and a sensor portion 342 laminated to 41 . The display unit 341 is formed including a liquid crystal panel, an electronic paper panel, an organic electroluminescence panel, or the like. Moreover, the sensor unit 342 functions as an operation unit that receives an operation by the user. A resistive film sensor, a capacitance sensor, a surface acoustic wave sensor, or the like is applied to the sensor unit 342 . That is, the display panel 310 in this embodiment is a so-called touch panel in which the display section 341 and the sensor section 342 corresponding to the operation switch are integrated.

The housing 300 of the smartphone 3 configured as described above is provided with the display panel 310, the driving unit Drv, and the housing sections 400a and 400b.

Specifically, as shown in FIG. 9 , an accommodating portion 400a in which the first battery 20a is fixed and accommodated and an accommodating portion 400b in which the second battery 20b is fixed and accommodated are separated from each other by the wall portion 306 of the housing 300. are provided side by side in contact with the inner surface 306a of the . Further, the wall portion 306 that contacts the housing portions 400a and 400b may be provided with a lid portion (not shown) that can be opened and closed. A circuit board 312 on which the drive unit Drv is mounted is positioned in the +Z direction of the housing portions 400 a and 400 b , and the display panel 310 is positioned in the +Z direction of the circuit board 312 .

FIG. 10 is a diagram showing the functional configuration of the mobile device M according to the second embodiment. As shown in FIG. 10, the smartphone 3 as the mobile device M includes a control circuit 30, a display unit 34, a power supply switching unit 35, a first battery control unit 36a, and a second battery control unit 36b.

The control circuit 30 that generates and outputs various control signals for controlling driving of the smartphone 3 includes, for example, a CPU (Central Processing Unit). Note that the control circuit 10 includes at least a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), and an FPGA (Field Programmable Gate Array) instead of or in addition to the CPU. You may be comprised including either.

The control circuit 10 generates a display control signal Sh for controlling display of various information on the display unit 34 and outputs the signal to the display unit 34 . The display unit 34 displays various information such as operation information and status information of the mobile device M according to the display control signal Sh. Accordingly, information including the operation and status of the mobile device M is notified to the user. The display unit 34 includes the aforementioned display panel 310 and the like. Here, the display unit 34 is an example of the drive circuit in the second embodiment.

The control circuit 10 also generates a power supply selection signal Sn for controlling switching of the supply source of the power supply voltage supplied to the smartphone 3 , and outputs the power supply selection signal Sn to the power supply switching unit 35 .

The power supply switching unit 35 receives the voltage Vba supplied from the first battery 20a through the connection portion 410a and the voltage Vbb supplied from the second battery 20b through the connection portion 410b. Further, the power supply switching unit 35 receives a voltage Vd supplied from an AC adapter provided outside the mobile device M via the DC jack 108 . That is, the smartphone 3 receives the voltage Vd from the external power supply via the AC adapter and the DC jack 108 . The power supply switching unit 35 selects one of the voltages Vba, Vbb, and Vd based on the power supply selection signal Sn, and supplies it to each part of the smartphone 3 as the voltage Vdd, which is the power supply voltage of the smartphone 3 . Also, the power supply switching unit 35 generates a voltage Vc for charging the first battery 20a and the second battery 20b based on the voltage Vd, and controls the first battery control unit 36a and the second battery control unit 36b. output to The detailed configuration of the power supply switching unit 35 is the same as that of the power supply switching unit 15 in the first embodiment, and detailed description thereof will be omitted.

The smartphone 3 has a state detection circuit 90 that detects the state of an external transmission year in which the smartphone 3 is electrically connected to an external power source, and that generates and outputs a state signal S0 indicating the detection result. A state signal S0 is input to the control circuit 10 from the state detection circuit 90 . The state detection circuit 90 has the same configuration as the state detection circuit 80 in the first embodiment. Therefore, detailed description of the state detection circuit 90 is omitted.

The control circuit 30 also generates a control signal S1a for controlling the first battery control unit 36a and outputs it to the first battery control unit 36a. A state signal S2a is also input to the control circuit 30 from the first battery control unit 36a. The first battery control unit 36a includes a charge control circuit 38a that controls charging of the first battery 20a, and a state detection circuit 39a that detects the state of the first battery 20a and generates and outputs a state signal S2a indicating the detection result. have Here, the charge control circuit 38a included in the first battery control unit 36a has the same configuration as the charge control circuit 18a in the first embodiment, and the state detection circuit 39a is similar to the state detection circuit 19a in the first embodiment. It has the same configuration. Therefore, detailed descriptions of the charge control circuit 38a and the state detection circuit 39a are omitted.

The control circuit 30 also generates a control signal S1b for controlling the second battery control unit 36b and outputs it to the second battery control unit 36b. A state signal S2b is also input to the control circuit 30 from the second battery control unit 36b. The second battery control unit 36b includes a charge control circuit 38b that controls charging of the second battery 20b, and a state detection circuit 39b that detects the state of the second battery 20b and generates and outputs a state signal S2b indicating the detection result. have Here, the charge control circuit 38b included in the second battery control unit 36b has the same configuration as the charge control circuit 18b in the first embodiment, and the state detection circuit 39b is similar to the state detection circuit 19b in the first embodiment. It has the same configuration. Therefore, detailed descriptions of the charge control circuit 38b and the state detection circuit 39b are omitted.

Further, the control circuit 30 controls the first battery accommodated in each of the accommodating portions 400a and 400b based on the state signal S2a output from the state detection circuit 39a and the state signal S2b output from the state detection circuit 39b. 20a and second battery 20b may be acquired and the acquired information may be displayed on the display unit 34. FIG. Further, the control circuit 30 determines whether the power supplied to each part of the smartphone 3 based on the power supply selection signal Sn is power corresponding to the voltage Vba output from the first battery 20a, or whether the power is supplied from the second battery 20b. The display unit 34 may display whether the power corresponds to the output voltage Vbb.

Also, the control circuit 30 included in the smartphone 3 corresponds to the control circuit 10 of the mobile printer 1 in the first embodiment.

Even the smartphone 3 as the mobile device M in the second embodiment configured as described above can achieve the same effects as the mobile printer 1 as the mobile device M in the first embodiment.

3. OTHER EXAMPLES In the mobile device M of the first embodiment described above, the portable mobile printer 1 was exemplified, and in the mobile device M of the second embodiment, the smartphone 3 was exemplified and explained. The device M may be a battery-powered portable device, and may be applied to various mobile devices M such as a tablet terminal, a mobile phone, an electronic calculator, and a digital audio player. Even in such a case, it is possible to obtain the same effects as those of the first and second embodiments.

Although the embodiments and modifications have been described above, the present invention is not limited to these embodiments, and can be implemented in various ways without departing from the scope of the invention. For example, it is also possible to combine the above embodiments as appropriate.

The present invention includes configurations that are substantially the same as the configurations described in the embodiments (for example, configurations that have the same function, method, and result, or configurations that have the same purpose and effect). Moreover, the present invention includes configurations in which non-essential portions of the configurations described in the embodiments are replaced. In addition, the present invention includes a configuration that achieves the same effects or achieves the same purpose as the configurations described in the embodiments. In addition, the present invention includes configurations obtained by adding known techniques to the configurations described in the embodiments.

DESCRIPTION OF SYMBOLS 1... Mobile printer, 3... Smart phone, 10... Control circuit, 11... Ejection signal output circuit, 12... Head unit, 13... Transport unit, 14... Display unit, 15... Power supply switching unit, 16a... First battery control unit , 16b... second battery control unit, 18a, 18b... charge control circuit, 19a, 19b... state detection circuit, 20... battery, 20a... first battery, 20b... second battery, 30... control circuit, 34... display unit , 35 power supply switching unit 36a first battery control unit 36b second battery control unit 38a, 38b charge control circuit 39a, 39b, 80, 90 state detection circuit 100 housing 101 , 102, 103, 104, 105, 106 Wall portions 104a, 106a Inner surface 107 USB port 108 DC jack 110 Cover 112 Circuit board 120 Ejection head 121 Carriage 122 Carriage guide shaft 123 Liquid storage section 131 Supply port 132 Discharge port 133 Medium support section 134 Conveyance roller pair 135 Drive motor 136 Platen 137 Drive motor 138 Conveyance roller 140 Display panel 141 Operation switch 151 Decoder 152 Voltage value adjustment circuit 153 Charging voltage supply circuit 154, 155, 156 Switch 200, 200a, 200b Accommodating section 210a, 210b ... Connection part 300... Housing 303, 304, 306... Wall part 306a... Inner surface 310... Display panel 312... Circuit board 341... Display part 342... Sensor part 400a, 400b... Housing part 410a , 410b... connection unit, M... mobile device

Claims (10)

a drive circuit driven based on the power output from the battery;
a first connecting portion that electrically connects a first battery, which is an electrolyte battery with a liquid electrolyte as the battery, and the drive circuit;
a second connecting portion that electrically connects a second battery, which is an all-solid-state battery with a solid electrolyte as the battery, and the drive circuit;
with
A control circuit that controls driving of the drive circuit,
The control circuit is
when the drive circuit is driven based on the power output from the first battery, controlling the drive circuit to a first drive state;
When the drive circuit is driven based on the power output from the second battery, controlling the drive circuit to a second drive state different from the first drive state;
A mobile device characterized by: The first connection portion and the second connection portion are not electrically connected,
The mobile device of claim 1, characterized by : a drive circuit driven based on the power output from the battery;
a first connecting portion that electrically connects a first battery, which is an electrolyte battery with a liquid electrolyte as the battery, and the drive circuit;
a second connection portion electrically connecting a second battery, which is an all-solid-state battery with a solid electrolyte as the battery, and the drive circuit;
with
The first connection portion and the second connection portion are not electrically connected,
A mobile device characterized by: a first detection circuit that detects that the first battery is connected to the first connection portion;
a second detection circuit that detects that the second battery is connected to the second connection portion;
a selection circuit that selects a battery to be used for driving the drive circuit based on the detection result of the first detection circuit and the detection result of the second detection circuit;
comprising
4. A mobile device as claimed in any one of claims 1 to 3 , characterized in that: a drive circuit driven based on the power output from the battery;
a first connecting portion that electrically connects a first battery, which is an electrolyte battery with a liquid electrolyte as the battery, and the drive circuit;
a second connecting portion that electrically connects a second battery, which is an all-solid-state battery with a solid electrolyte as the battery, and the drive circuit;
with
a first detection circuit that detects that the first battery is connected to the first connection portion;
a second detection circuit that detects that the second battery is connected to the second connection portion;
a selection circuit that selects a battery to be used for driving the drive circuit based on the detection result of the first detection circuit and the detection result of the second detection circuit;
further comprising
A mobile device characterized by: Equipped with a third detection circuit that detects that it is connected to an external power supply,
The selection circuit selects a battery to be used for driving the drive circuit based on the detection result of the first detection circuit, the detection result of the second detection circuit, and the detection result of the third detection circuit.
6. A mobile device according to claim 4 or 5, characterized in that: The selection circuit detects that the first battery is connected to the first connection portion by the first detection circuit, and connects the second battery to the second connection portion by the second detection circuit. selecting the second battery as the battery to be used to drive the drive circuit when it is detected that the
7. A mobile device as claimed in any one of claims 4 to 6, characterized in that: a first accommodation portion in which the first battery is accommodated;
a second housing portion housing the second battery;
comprising
8. A mobile device as claimed in any one of claims 1 to 7, characterized in that: When the first battery is housed in the first housing and the second battery is housed in the second housing, at least one of the first battery and the second battery is connected to the drive circuit. is not electrically connected to
9. The mobile device of claim 8 , wherein: a notification unit that notifies whether the battery electrically connected to the drive circuit is the first battery or the second battery;
10. A mobile device as claimed in any preceding claim.

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